mainwnd.c

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                       WndArr[i]->y,
                       WndArr[i]->Width,
                       WndArr[i]->Height,
                       TRUE);
        }

        CopyMemory(wndOldPos,
                   &wndNewPos,
                   sizeof(RECT));
    }
}


static VOID
MainWndResetFloatingWindows(PMAIN_WND_INFO Info)
{
    RECT rect;

    if (GetWindowRect(Info->hMdiClient,
                      &rect))
    {

        /* tools datum */
        MoveWindow(Info->fltTools->hSelf,
                   rect.left + 5,
                   rect.top + 5,
                   Info->fltTools->Width,
                   Info->fltTools->Height,
                   TRUE);

        /* colors datum */
        MoveWindow(Info->fltColors->hSelf,
                   rect.left + 5,
                   rect.bottom - Info->fltColors->Height - 5,
                   Info->fltColors->Width,
                   Info->fltColors->Height,
                   TRUE);

        /* history datum */
        MoveWindow(Info->fltHistory->hSelf,
                   rect.right - Info->fltHistory->Width - 5,
                   rect.top + 5,
                   Info->fltHistory->Width,
                   Info->fltHistory->Height,
                   TRUE);
    }
}

static VOID
MainWndCreateFloatWindows(PMAIN_WND_INFO Info)
{
    RECT rect;
    HMENU hMenu;
    UINT Res;
    PFLT_WND WndArr[NUM_FLT_WND]; /* temp array for looping */
    INT i;

    Info->fltTools = HeapAlloc(ProcessHeap,
                               HEAP_ZERO_MEMORY,
                               sizeof(FLT_WND));
    Info->fltColors = HeapAlloc(ProcessHeap,
                                HEAP_ZERO_MEMORY,
                                sizeof(FLT_WND));
    Info->fltHistory = HeapAlloc(ProcessHeap,
                                 HEAP_ZERO_MEMORY,
                                 sizeof(FLT_WND));

    /* set window dimensions */
    Info->fltTools->Width    = 53;
    Info->fltTools->Height   = 300;
    Info->fltColors->Width   = 200;
    Info->fltColors->Height  = 200;
    Info->fltHistory->Width  = 150;
    Info->fltHistory->Height = 150;

    if (! GetWindowRect(Info->hMdiClient,
                        &rect))
    {
        return;
    }

    /* Set window datums */
    Info->fltTools->x = rect.left + 5;
    Info->fltTools->y = rect.top + 5;

    Info->fltColors->x = rect.left + 5;
    Info->fltColors->y = rect.bottom - Info->fltColors->Height - 5;

    Info->fltHistory->x = rect.right - Info->fltHistory->Width - 5;
    Info->fltHistory->y = rect.top + 5;

    /* save pointers into array incrementing within the loop*/
    WndArr[0] = Info->fltTools;
    WndArr[1] = Info->fltColors;
    WndArr[2] = Info->fltHistory;

    for (i = 0, Res = IDS_FLT_TOOLS; Res < IDS_FLT_TOOLS + NUM_FLT_WND; Res++, i++)
    {
        if (! AllocAndLoadString(&WndArr[i]->lpName,
                                 hInstance,
                                 Res))
        {
            WndArr[i]->lpName = NULL;
        }

        WndArr[i]->hSelf = CreateWindowEx(WS_EX_TOOLWINDOW,
                                          TEXT("ImageSoftFloatWndClass"),
                                          WndArr[i]->lpName,
                                          WS_POPUPWINDOW | WS_DLGFRAME | WS_VISIBLE,
                                          WndArr[i]->x,
                                          WndArr[i]->y,
                                          WndArr[i]->Width,
                                          WndArr[i]->Height,
                                          Info->hSelf,
                                          NULL,
                                          hInstance,
                                          WndArr[i]);
        ShowWindow(WndArr[i]->hSelf, SW_HIDE);
    }

    hMenu = GetMenu(Info->hSelf);

    if (Info->fltTools->hSelf != NULL)
    {
        if (FloatToolbarCreateToolsGui(Info))
        {
            CheckMenuItem(hMenu,
                          ID_TOOLS,
                          MF_CHECKED);

            ShowHideWindow(Info->fltTools->hSelf);
        }
    }

    if (Info->fltColors->hSelf != NULL)
    {
        if (FloatToolbarCreateColorsGui(Info))
        {

        }
    }

    if (Info->fltHistory->hSelf != NULL)
    {
        if (FloatToolbarCreateHistoryGui(Info))
        {

        }
    }

}

static VOID
MainWndDestroyFloatWindows(PMAIN_WND_INFO Info)
{
    if (Info->fltTools != NULL)
        HeapFree(ProcessHeap, 0, Info->fltTools);

    if (Info->fltColors != NULL)
        HeapFree(ProcessHeap, 0, Info->fltColors);

    if (Info->fltHistory != NULL)
        HeapFree(ProcessHeap, 0, Info->fltHistory);
}



static const DOCKBAR_ITEM_CALLBACKS MainWndDockBarCallbacks = {
    MainWndCreateToolbarClient,
    MainWndDestroyToolbarClient,
    MainWndToolbarInsertBand,
    MainWndToolbarDockBand,
    MainWndToolbarChevronPushed,
};

static VOID
CreateToolbars(PMAIN_WND_INFO Info)
{
    UINT i;

    for (i = 0; i < sizeof(MainDockBars) / sizeof(MainDockBars[0]); i++)
    {
        /* FIXME - lookup whether to display the toolbar */
        TbdAddToolbar(&Info->ToolDocks,
                      &MainDockBars[i],
                      Info,
                      &MainWndDockBarCallbacks);
    }

    MainWndCreateFloatWindows(Info);
}

static VOID CALLBACK
MainWndResize(PVOID Context,
              WORD cx,
              WORD cy)
{
    RECT rcClient = {0};
    RECT rcStatus = {0};
    HDWP dwp;
    INT DocksVisible;
    PMAIN_WND_INFO Info = (PMAIN_WND_INFO)Context;

    /* Calculate the MDI client rectangle */
    rcClient.right = cx;
    rcClient.bottom = cy;

    if (Info->hStatus != NULL)
    {
        GetWindowRect(Info->hStatus,
                      &rcStatus);
        rcClient.bottom -= (rcStatus.bottom - rcStatus.top);
    }

    /* Adjust the client rect if docked toolbars are visible */
    DocksVisible = TbdAdjustUpdateClientRect(&Info->ToolDocks,
                                             &rcClient);

    dwp = BeginDeferWindowPos(2 + DocksVisible);
    if (dwp != NULL)
    {
        /* Update the toolbar docks */
        if (DocksVisible != 0)
        {
            dwp = TbdDeferDocks(dwp,
                                &Info->ToolDocks);
            if (dwp == NULL)
                return;
        }

        /* Update the MDI client */
        if (Info->hMdiClient != NULL)
        {
            dwp = DeferWindowPos(dwp,
                                 Info->hMdiClient,
                                 NULL,
                                 rcClient.left,
                                 rcClient.top,
                                 rcClient.right - rcClient.left,
                                 rcClient.bottom - rcClient.top,
                                 SWP_NOZORDER);
            if (dwp == NULL)
                return;
        }

        /* Update the status bar */
        if (Info->hStatus != NULL)
        {
            dwp = DeferWindowPos(dwp,
                                 Info->hStatus,
                                 NULL,
                                 0,
                                 cy - (rcStatus.bottom - rcStatus.top),
                                 cx,
                                 rcStatus.bottom - rcStatus.top,
                                 SWP_NOZORDER);
            if (dwp == NULL)
                return;
        }

        EndDeferWindowPos(dwp);
    }
}

static VOID
InitMainWnd(PMAIN_WND_INFO Info)
{
    CLIENTCREATESTRUCT ccs;
    INT statwidths[] = {110, -1};

    /* FIXME - create controls and initialize the application */

    /* create the status bar */
    Info->hStatus = CreateWindowEx(0,
                                   STATUSCLASSNAME,
                                   NULL,
                                   WS_VISIBLE | WS_CHILD | WS_CLIPSIBLINGS | CCS_NOPARENTALIGN | SBARS_SIZEGRIP,
                                   0,
                                   0,
                                   0,
                                   0,
                                   Info->hSelf,
                                   (HMENU)IDC_STATUSBAR,
                                   hInstance,
                                   NULL);

    if (Info->hStatus != NULL)
        SendMessage(Info->hStatus,
                    SB_SETPARTS,
                    sizeof(statwidths)/sizeof(int),
                    (LPARAM)statwidths);

    /* create the MDI client window */
    ccs.hWindowMenu = GetSubMenu(GetMenu(Info->hSelf),
                                 ID_MDI_WINDOWMENU);
    ccs.idFirstChild = ID_MDI_FIRSTCHILD;
    Info->hMdiClient = CreateWindowEx(WS_EX_ACCEPTFILES | WS_EX_CLIENTEDGE,
                                      TEXT("MDICLIENT"),
                                      NULL,
                                      WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_VSCROLL | WS_HSCROLL,
                                      0,
                                      0,
                                      0,
                                      0,
                                      Info->hSelf,
                                      NULL,
                                      hInstance,
                                      &ccs);

    TbdInitializeDocks(&Info->ToolDocks,
                       Info->hSelf,
                       Info,
                       MainWndResize);

    CreateToolbars(Info);

    /* initialize file open/save structure */
    FileInitialize(Info->hSelf);
}

static VOID
MainWndCommand(PMAIN_WND_INFO Info,
               WORD CmdId,
               HWND hControl)
{
    static TCHAR szFileName[MAX_PATH];
    static TCHAR szImageName[MAX_PATH];

    UNREFERENCED_PARAMETER(hControl);

    switch (CmdId)
    {
        case ID_NEW:
        {
            MessageBox(NULL, _T("Not yet implemented"), NULL, 0);
        }
        break;

        case ID_OPEN:
        {
            OPEN_IMAGE_EDIT_INFO OpenInfo;

            if (DoOpenFile(Info->hSelf,
                           szFileName,   /* full file path */
                           szImageName)) /* file name */
            {
                OpenInfo.CreateNew = FALSE;

                OpenInfo.Open.lpImagePath = szFileName;
                OpenInfo.lpImageName = szImageName;

                CreateImageEditWindow(Info,
                                      &OpenInfo);

                /* FIXME: move flt wnd's if scroll bars show
                MainWndResetFloatingWindows(Info->hMdiClient); */
            }

        }
        break;

        case ID_TOOLS:
        {
            HMENU hMenu = GetMenu(Info->hSelf);

            if (hMenu != NULL)
            {
                UINT uCheck = MF_CHECKED;

                if (ShowHideWindow(Info->fltTools->hSelf))
                    uCheck = MF_UNCHECKED;

                CheckMenuItem(hMenu,
                              ID_TOOLS,
                              uCheck);
            }
        }
        break;

        case ID_COLOR:
        {
            HMENU hMenu = GetMenu(Info->hSelf);

            if (hMenu != NULL)
            {
                UINT uCheck = MF_CHECKED;

                if (ShowHideWindow(Info->fltColors->hSelf))
                    uCheck = MF_UNCHECKED;

                CheckMenuItem(hMenu,
                              ID_COLOR,
                              uCheck);
            }
        }
        break;

        case ID_HISTORY:
        {
            HMENU hMenu = GetMenu(Info->hSelf);

            if (hMenu != NULL)
            {
                UINT uCheck = MF_CHECKED;

                if (ShowHideWindow(Info->fltHistory->hSelf))
                    uCheck = MF_UNCHECKED;

                CheckMenuItem(hMenu,
                              ID_HISTORY,
                              uCheck);
            }
        }
        break;

        case ID_BRIGHTNESS:
            DialogBoxParam(hInstance,
                           MAKEINTRESOURCE(IDD_BRIGHTNESS),
                           Info->hSelf,
                           BrightnessProc,
                           (LPARAM)Info);
        break;

        case ID_CONTRAST:
            /* FIXME : Create a window for contrast */
        break;

        case ID_BLACKANDWHITE:
        {
            if (Info->ImageEditors)
            {
                DisplayBlackAndWhite(Info->ImageEditors->hSelf,
                                     Info->ImageEditors->hDCMem,
                                     Info->ImageEditors->hBitmap);
            }
        }
        break;

        case ID_INVERTCOLORS:
        {
            if (Info->ImageEditors)
            {
                DisplayInvertedColors(Info->ImageEditors->hSelf,
                                      Info->ImageEditors->hDCMem,
                                      Info->ImageEditors->hBitmap);
            }
        }
        break;

        case ID_BLUR:
        {
            if (Info->ImageEditors)
            {
                DisplayBlur(Info->ImageEditors->hSelf,
                            Info->ImageEditors->hDCMem,
                            Info->ImageEditors->hBitmap);
            }
        }
        break;

        case ID_SHARPEN:
        {
            if (Info->ImageEditors)
            {
                DisplaySharpness(Info->ImageEditors->hSelf,
                                 Info->ImageEditors->hDCMem,
                                 Info->ImageEditors->hBitmap);
            }
        }
        break;

        case ID_EXIT:
            SendMessage(Info->hSelf,
                        WM_CLOSE,
                        0,
                        0);
            break;

        /* Window Menu */
        case ID_WINDOW_TILE_HORZ:
            SendMessage(Info->hMdiClient,
                        WM_MDITILE,
                        MDITILE_HORIZONTAL,
                        0);
            break;